config: reduce Radiance shared memory to 32 KiB

generators/chipyard/src/main/scala/config/RadianceConfigs.scala

@@ -25,6 +25,8 @@ class WithRadBootROM(address: BigInt = 0x10000, size: Int = 0x10000, hang: BigIn
 // aliases for virgo
 class VirgoConfig extends RadianceClusterConfig
 class VirgoFP16Config extends RadianceFP16ClusterConfig
+class VirgoVoltaConfig extends RadianceFP16ClusterConfig
+class VirgoAmpereConfig extends RadianceFP16ClusterConfig
 class VirgoHopperConfig extends Radiance4CFP16ClusterConfig
 class VirgoBlackwellConfig extends RadianceBlackwellClusterConfig
 class VirgoFlashConfig extends RadianceClusterConfig
@@ -56,7 +58,7 @@ class RadianceBaseConfig extends Config(
 
 class RadianceFP16ClusterConfig extends Config(
   new radiance.subsystem.WithRadianceGemmini(location = InCluster(0), dim = 16, accSizeInKB = 32, tileSize = (8, 4, 8), dataType = RadianceGemminiDataType.FP16) ++
-  new radiance.subsystem.WithRadianceCores(8, location = InCluster(0), tensorCoreFP16 = true, tensorCoreDecoupled = false, useVxCache = false) ++
+  new radiance.subsystem.WithRadianceCores(1, location = InCluster(0), tensorCoreFP16 = true, tensorCoreDecoupled = false, useVxCache = false) ++
   new radiance.subsystem.WithRadianceSharedMem(address = x"ff000000", size = 32 << 10, numBanks = 4, numWords = 16) ++
   new radiance.subsystem.WithCoalescer(nNewSrcIds = 16) ++
   new radiance.subsystem.WithVortexL1Banks(nBanks = 8) ++
@@ -74,7 +76,7 @@ class Radiance8B8WFP16ClusterConfig extends Config(
 
 class Radiance4CFP16ClusterConfig extends Config(
   new radiance.subsystem.WithRadianceGemmini(location = InCluster(0), dim = 16, accSizeInKB = 32, tileSize = (8, 4, 8), dataType = RadianceGemminiDataType.FP16) ++
-  new radiance.subsystem.WithRadianceCores(4, location = InCluster(0), tensorCoreFP16 = true, tensorCoreDecoupled = true, useVxCache = false) ++
+  new radiance.subsystem.WithRadianceCores(1, location = InCluster(0), tensorCoreFP16 = true, tensorCoreDecoupled = true, useVxCache = false) ++
   // new radiance.subsystem.WithRadianceSharedMem(address = x"ff000000", size = 32 << 10, numBanks = 4, numWords = 16,
   //                                              memType = radiance.subsystem.TwoReadOneWrite,
   //                                              serializeUnaligned = radiance.subsystem.CoreSerialized) ++
@@ -98,7 +100,7 @@ class RadianceBlackwellClusterConfig extends Config(
 class RadianceClusterConfig extends Config(
   // important to keep gemmini tile before RadianceCores to ensure radiance tile id is 0-indexed
   new radiance.subsystem.WithRadianceGemmini(location = InCluster(0), dim = 8, accSizeInKB = 16, tileSize = 8) ++
-  new radiance.subsystem.WithRadianceCores(4, location = InCluster(0), tensorCoreFP16 = false, tensorCoreDecoupled = false, useVxCache = false) ++
+  new radiance.subsystem.WithRadianceCores(1, location = InCluster(0), tensorCoreFP16 = false, tensorCoreDecoupled = false, useVxCache = false) ++
   // new radiance.subsystem.WithRadianceFrameBuffer(x"ff018000", 16, 0x8000, x"ff011000", "fb0") ++
   new radiance.subsystem.WithRadianceSharedMem(address = x"ff000000", size = 32 << 10/*KBytes*/, numBanks = 8, numWords = 8,
                                                // memType = radiance.subsystem.TwoReadOneWrite,